Ex Numerus

Ex Numerus means 'from numbers'. These are tools and notes on extracting knowledge and insight from numbers.

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Sunday, March 18, 2012

Installing sailfish-CFD under PythonXY

Discussion Sailfish CFD is an interesting python program. It uses OpenCL to solve fluid flow problems using the Lattice-Boltzman...

Saturday, March 17, 2012

Yet Another Countdown Timer Application built using .HTA (Windows HTml Applications)

Discussion: The time until something is due is always important. There are a lot of countdown timers which are available. There are a lo...

Friday, February 24, 2012

Lesson Learned: Managing Large Numbers of Plots, with an Example in Python

Problem Statement: A project generates hundreds, thousands, or more graphs over its life. These graphs are copied and pasted into e-mail...

Using HTML to View Large Sets of Plots - An Example in Python

Red_Plot Blue_Plot Green_Plot Circle_Plot Square_Plot Diamond_Plot This example doesn't work because of Blogger limitations. Howe...

Saturday, December 24, 2011

How to Remove Noise from a Signal using Fourier Transforms: An Example in Python

Problem Statement: Given a signal, which is regularly sampled over time and is “noisy”, how can the noise be reduced while minimiz...

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About Me

edt: I apply math theory to engineering design and business decision making. I build tools and create methods which speed up and improve decision making. See see my profile for more information.

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